TCDHA A P Test 4 questions and answers graded A+ 2023/2024

TCDHA A P Test 4endocrine system - correct answer works with the nervous system to control and coordinate all other body systems consists of a group of glands that produce hormones affects body systems by chemical stimuli hormones - correct answer chemical messengers that have specific regulatory effects on target cells (tissue) within the organs produce a slower, longer-lasting effect than those provided by nerve impulses are related from endocrine glands into blood, not through ducts VERY IMPORTANT IN GROWTH, METABOLISM, REPRODUCTION + BEHAVIOUR two categories of hormones - correct answer amino acid compounds and lipids amino acid compounds - correct answer consists of proteins nonsteroid hormones; all hormones except those of the adrenal cortex + sex glands bind to receptors on target cell membrane triggering a 2nd messenger to affect the cell's activities lipids - correct answer made of fatty acids include steroids and prostaglandins steroid hormones; produced by the adrenal cortex + sex glands bind to receptors within the target cell nucleus + influence cell activity by acting on DNA e.g. testosterone, progesterone regulation of hormone secretion - correct answer 1. homeostatic feedback 2. rhythmic pattern homeostatic feedback - correct answer negative and positive feedback negative feedback - correct answer most common endocrine gland over-secretes hormone target tissue becomes too active action negatively affects gland to decrease secretion positive feedback - correct answer hormone response produces more hormone rhythmic pattern - correct answer daily or monthly pituitary gland - correct answer hypophysis connected to the hypothalamus by the infundibulum controlled by the hypothalamus